function un_frame() {
    window.onerror = ignore;
    var URLs = sAllowFraming.split(' ');
    var bFound = false;
    if (top != self) { 
        if (document.referrer.indexOf(window.location.hostname) == -1) { 
            if (sAllowFraming.length > 0) { 
                for (var i=0; (i < URLs.length) && !bFound; i++) { 
                    if (document.referrer.indexOf(URLs[i]) != -1) bFound = true;
                }
            }
            if (!bFound) {
                top.location.href = self.location.href;
            }
        }
        try {
            if (parent.frames[0].name == 'top') {
                top.location.href = self.location.href;
            }
        } catch (exception) {
        }
    }
}
function ignore() {
    return true;
}